Home / 3,542.56-4,889.30-2,215.58

Finding the Fourth Proportional to 3,542.56, 4,889.30 and 2,215.58

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Solution

The fourth proportional to 3,542.56, 4,889.30 and 2,215.58 is: 3,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.56 : 4,889.30 = 2,215.58 : x
  2. Step 2: Convert to fraction form
    3,542.56/4,889.30 = 2,215.58/x
  3. Step 3: Cross multiply
    3,542.56x = 4,889.30 × 2,215.58
  4. Step 4: Simplify right side
    3,542.56x = 10,832,599.77
  5. Step 5: Solve for x
    x = 10,832,599.77/3,542.56
  6. Step 6: Final answer
    x = 3,057.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.